Results 21 to 30 of about 598 (143)

Comparative chloroplast genomes of photosynthetic orchids: insights into evolution of the Orchidaceae and development of molecular markers for phylogenetic applications. [PDF]

open access: yesPLoS ONE, 2014
The orchid family Orchidaceae is one of the largest angiosperm families, including many species of important economic value. While chloroplast genomes are very informative for systematics and species identification, there is very limited information ...
Jing Luo   +5 more
doaj   +1 more source

The Complete Plastome Sequences of Four Orchid Species: Insights into the Evolution of the Orchidaceae and the Utility of Plastomic Mutational Hotspots

open access: yesFrontiers in Plant Science, 2017
Orchidaceae (orchids) is the largest family in the monocots, including about 25,000 species in 880 genera and five subfamilies. Many orchids are highly valued for their beautiful and long-lasting flowers. However, the phylogenetic relationships among the
Zhitao Niu   +5 more
doaj   +1 more source

A new orchid genus, Danxiaorchis, and phylogenetic analysis of the tribe Calypsoeae. [PDF]

open access: yesPLoS ONE, 2013
BACKGROUND: Orchids have numerous species, and their speciation rates are presumed to be exceptionally high, suggesting that orchids are continuously and actively evolving.
Jun-Wen Zhai   +12 more
doaj   +1 more source

Epidendrum suinii (Orchidaceae: Epidendroideae) un nuevo registro para la flora peruana

open access: yesRevista Peruana de Biología, 2019
Reportamos por primera vez la presencia de Epidendrum suinii Hágsater & Dodson (Orchidaceae, Epidendroideae) para Perú basada en colectas de la región San Martín (parte septentrional - oriental del territorio peruano).
Harol Gutierrez   +2 more
doaj   +1 more source

Reliability of shoot systems of tropical orchids (Epidendroideae: Orchidaceae Juss.)

open access: yesІнтродукція Рослин, 2006
On the examples of different orchid species of Epidendroideae subfamily Orchidaceae family, representing both a great diversity of shoot types formation and the structure of separate shoots, an effort to demonstrate the patterns of functioning of shoot ...
T.M. Cherevchenko   +2 more
doaj   +1 more source

Features of seed coat structure of some Calanthe R. Br. species (Orchidaceae Juss.)

open access: yesІнтродукція Рослин, 2006
The results of comparative morphological investiga tions of structural characters of seed coat of 12 species of Calanthe R. Br. (Epidendroideae: Orchidaceae) with scanning electron microscope are given.
L.I. Buyun, I.V. Gurnenko
doaj   +1 more source

Vegetative anatomy of the orchid Bulbophyllum sterile (Orchidaceae: Epidendroideae)

open access: yesLankesteriana, 2018
The anatomical characteristics of leaf, pseudobulb, and root of Bulbophyllum sterile of the subfamily Epidendroideae (Orchidaceae) were investigated. The anatomical investigation involved observing sections after staining with different stains as well as scanning electron microscopy. Additionally, the cell dimensions were also measured.
Muthukumar, T., Shenbagam, M.
openaire   +4 more sources

Genome Sequencing Reveals the Role of MADS-box Gene Families in the Floral Morphology Evolution of Orchids

open access: yesHorticultural Plant Journal, 2019
Orchid origin and evolution are common topics in evolutionary biology. Orchidaceae have approximately 30 000 orchid species distributed in diverse habitats and account for approximately 10% of the flowering plant species worldwide.
Hsiangchia Lu, Zhongjian Liu, Siren Lan
doaj   +1 more source

Orchidaceae in Santa Catarina: Update, geographic distribution and conservation [PDF]

open access: yesCheck List, 2014
This study consists of a checklist and an analysis of the spatial distribution of the species of Orchidaceae of the Brazilian state of Santa Catarina.
Carlos Siqueira, Ana Zanin, Luiz Neto
doaj   +3 more sources

Neottia bifidus (Orchidaceae, Epidendroideae, Neottieae), a new mycoheterotrophic species from Guizhou, China [PDF]

open access: yesPhytoKeys, 2023
Neottia bifidus, a new mycoheterotrophic orchid, found in Maolan National Nature Reserve in Guizhou Province, China, is described and illustrated here. The new species is close to N. nidus-avis, N. kiusiana and N.
Mei-Na Wang   +7 more
doaj   +3 more sources

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